(19)

(11)

EP 1 018 884 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 98906485.2 (22) Date of filing: 12.02.1998

(51) International Patent Classification (IPC)7: A01N 63/00 (86) International application number: PCT/US9803/019 (87) International publication number: WO 9834/485 (13.08.1998 Gazette 1998/32)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL SE (30) Priority: 12.02.1997 US 800224 (71) Applicant: Layton Bioscience, Inc. Atherton, CA 94027 (US)	(72) Inventor: SNABLE, Gary, L. Atherton, CA 94027 (US) (74) Representative: Goldin, Douglas Michael  J.A. KEMP & CO.14 South SquareGray's Inn London WC1R 5LX London WC1R 5LX (GB)